_$_________$$$$$$$___$$_____$$__$$$$$$$$_
_$____$___$$_____$$__$$_____$$_______$$__
_$____$___$$_____$$__$$_____$$______$$___
_$____$___$$_____$$__$$_____$$_____$$____
_$$$$$$$__$$__$$_$$__$$_____$$____$$_____
______$___$$____$$___$$_____$$___$$______
______$____$$$$$_$$___$$$$$$$___$$$$$$$$_